CN112352992A - Multi-gear temperature and humidity controller for tobacco leaf baking - Google Patents
Multi-gear temperature and humidity controller for tobacco leaf baking Download PDFInfo
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- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
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Abstract
The invention relates to the technical field of tobacco leaf baking, in particular to a multi-gear temperature and humidity controller for tobacco leaf baking, which comprises: the controller comprises a shell, an operation interface and a controller mainboard, wherein the operation interface is arranged on the outer surface of the shell, the controller mainboard is arranged in an inner cavity of the shell, and the controller mainboard is connected with the operation interface. The multi-gear temperature and humidity controller for tobacco leaf baking provided by the invention keeps the advantage that the existing controller can realize accurate temperature and humidity control, overcomes the defects of complex parameter setting and operation process, and is added with a remote monitoring function.
Description
Technical Field
The invention relates to the technical field of tobacco leaf baking, in particular to a multi-gear temperature and humidity controller for tobacco leaf baking.
Background
The information disclosed in this background of the invention is only for enhancement of understanding of the general background of the invention and is not necessarily to be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
The existing tobacco leaf baking equipment is generally provided with a controller, a baker sets a target dry bulb temperature curve and a target wet bulb temperature curve, namely a baking process curve, according to the yellowing, drying and other conditions of tobacco leaves, and the controller automatically controls a heating device and a dehumidifying device, so that the actual dry bulb temperature can accurately track a target value. The target dry-bulb temperature, the target wet-bulb temperature and the heating rate of the controller can be freely set, so that the controller is convenient to adapt to various tobacco leaf baking process curves. However, since the parameter setting of the controller is too much and the steps are complicated, the operation of the controller is hard to learn and master with skill along with the aging trend of the baker, and the controller is easy to forget, cannot fully exert the function of the controller, and is easy to damage the tobacco due to misunderstanding of the meaning represented by each number of the controller.
For the tobacco leaf baking process curve, a consensus is gradually formed in the industry, the target dry bulb temperature, the target wet bulb temperature and the heating rate of each stage are relatively fixed, and the requirements of different tobacco leaf baking processes can be basically met only by adjusting within a small range. For a certain fixed tobacco producing area, the baking room structure is the same due to similar climate, soil and tobacco variety, and the baking process is more similar.
In summary, although the current tobacco leaf baking controller can accurately control the actual dry and wet bulb temperature tracking baking process curve, the parameter setting and operation process are complex, the human-computer exchange interface is not friendly, and in addition, the age structure of the user is bigger, the operation is easy to be wrong, and the baking loss is caused. Thus, the present invention recognizes that: aiming at the characteristic that the tobacco leaf baking process curve is relatively fixed, a tobacco leaf baking controller which is simpler to operate is needed to be provided, the learning difficulty of baking personnel is reduced, and the baking loss caused by misoperation is reduced.
Disclosure of Invention
Aiming at the problems, the invention provides a multi-gear temperature and humidity controller for tobacco leaf baking, which keeps the advantage that the existing controller can realize accurate temperature and humidity control, overcomes the defects of complicated parameter setting and operation process and increases a remote monitoring function. In order to achieve the above object, the technical solution of the present invention is as follows.
A multi-gear temperature and humidity controller for tobacco leaf baking comprises: the controller comprises a shell, an operation interface and a controller mainboard, wherein the operation interface is arranged on the outer surface of the shell, the controller mainboard is arranged in an inner cavity of the shell, and the controller mainboard is connected with the operation interface. Wherein:
be connected with mobile communication module and temperature sensor on the controller mainboard, wherein, mobile communication module can be with roast room operational data transmission to information management platform, and the personnel of toasting can look over the running information at information management platform, if toast the process and break down, then send alarm information for the personnel of toasting. Because the controller is not internally provided with a high-power heating element, the internal temperature of the controller box is close to the ambient temperature under normal conditions, and therefore the temperature measured by the temperature sensor can be used as the ambient temperature for processing.
The operation interface includes: a parameter display area, a parameter setting area, a state display area and an operation instruction area; wherein:
the parameter display area includes: 4 parameters of dry bulb temperature, wet bulb temperature, target dry bulb temperature, target wet bulb temperature and the like.
The parameter setting area comprises three gear switches which are respectively: a temperature change-over switch in the baking stage, a target dry-bulb temperature adjusting switch and a target wet-bulb temperature adjusting switch.
The status display area includes: a plurality of status indicator lights.
The operation instruction area includes: and guiding baking personnel to correctly switch stages and reasonably adjusting the target dry bulb temperature and the target wet bulb temperature.
Further, as the baking personnel are more concerned about the actual parameter values, for the convenience of observation, the fonts for marking the dry bulb temperature and the wet bulb temperature are larger than the fonts for marking the target dry bulb temperature and the target wet bulb temperature.
Further, since the bake stage switch is most frequently used, the size of the bake stage switch is larger than the size of the target dry bulb temperature adjustment, the target wet bulb temperature adjustment.
Further, the status indicator lamp includes: the system comprises an upper shed control lamp, a lower shed control lamp, a circulating fan, an air blower, a cold air door, a temperature rise, a power supply phase failure, a fan failure, a temperature difference overrun, a kettle water shortage and a sensor failure.
Further, the operation instruction area also comprises tobacco leaf pictures of all the baking stages, and the matching illustration is helpful for increasing the intuitiveness in the operation.
Furthermore, the baking stage temperature change-over switch comprises 10 gears which are respectively a baking stopping stage and a baking 9 stages, each baking stage corresponds to a group of target dry bulb temperature and target wet bulb temperature, and baking personnel can change over the temperature of the baking stages according to the situation of observing the tobacco leaves on site.
Further, the target dry bulb temperatures of the 9 baking stages are respectively: 36 deg.C, 38 deg.C, 40 deg.C, 42 deg.C, 45 deg.C, 48 deg.C, 54 deg.C, 60 deg.C, 68 deg.C. The target wet bulb temperatures of the 9 baking stages are respectively as follows: 35 deg.C, 36 deg.C, 36.5 deg.C, 37 deg.C, 37.5 deg.C, 38 deg.C, 39 deg.C, 40 deg.C, 42 deg.C.
Further, the temperature increase rate of each baking stage is a respective fixed value and is not adjustable, and the dry bulb temperature increase rate and the wet bulb temperature increase rate of each stage are treated differently, wherein the dry bulb temperature increase rates of the 9 baking stages are respectively: 1.5 ℃/h, 1.0 ℃/h, 0.4 ℃/h, 0.5 ℃/h, 0.8 ℃/h, 1.0 ℃/h; and the wet bulb heating rate of 9 baking stages is calculated according to the same time as the dry bulb heating time of the corresponding stage, so that when the wet bulb temperature difference and the dry bulb temperature difference of two adjacent stages are different, the heating rates of the two stages are different.
Further, the target dry bulb temperature adjustment switch includes 5 gears, which respectively correspond to 5 adjustment amounts, and the adjustment amounts are respectively: -2 ℃, -1 ℃, 0 ℃, +1 ℃, +2 ℃ to facilitate fine tuning based on the target dry bulb temperature determined by the temperature during the baking stage.
Further, the target wet bulb temperature adjustment switch includes 9 gears, which correspond to 9 fine adjustment amounts, and the fine adjustment is performed on the basis of the target wet bulb temperature determined by the gear switch "baking stage switching", the wet bulb temperature must not exceed the dry bulb temperature, and the adjustment amounts of the 9 gears are respectively: -2 ℃, -1.5 ℃, -1 ℃, -0.5 ℃, 0 ℃, +0.5 ℃, +1 ℃, +1.5 ℃, +2 ℃.
Further, the controller also comprises the following components: the device comprises a power supply interface, a cold air door interface, a blower/burner control switch, a debugging interface, a loudspeaker, an inquiry interface, a control mode selection switch, a wet and dry bulb thermometer, a communication interface, an upper shed and lower shed change-over switch and a fan rotating speed change-over switch.
Further, the wet-dry bulb thermometer comprises 4 temperature sensors which are respectively the temperature of the dry bulb of the upper shed, the temperature of the wet bulb of the upper shed, the temperature of the dry bulb of the lower shed and the temperature of the wet bulb of the lower shed.
Further, the parameter setting area does not include a target dry bulb temperature adjustment switch.
The tobacco leaf baking controller is specifically regulated in the technical specification (trial) revision of bulk curing barn (national tobacco institute of technology, 2009, 418), parameters such as target dry-bulb temperature, target wet-bulb temperature, heating rate, temperature stabilization time and the like of each stage can be flexibly set, and the actual tracking target value of the dry-wet-bulb temperature can be accurately controlled. However, because the number of the setting parameters is large, the parameter range is not effectively limited, the setting needs to be carried out through key combination, the setting steps are complex, part of baking personnel is not skilled in mastering the operation method, and the baking loss can be caused by misoperation.
The multi-gear temperature and humidity controller for tobacco leaf baking provided by the invention not only keeps the function that the existing controller can realize accurate temperature and humidity control, but also overcomes the defects of excessive parameter setting and complex operation. Compared with the prior art, the invention has the following beneficial effects:
(1) in setting the target temperature:
the existing controller needs to manually set the target dry bulb temperature and the target wet bulb temperature of each stage, because the combined key is adopted for setting, the setting steps are complex, and because the temperature range of each stage is not limited, the setting errors are easy.
The controller of the invention is internally provided with the target dry-wet bulb temperature of each baking stage, if the target dry-wet bulb temperature needs to be adjusted, the fine adjustment is carried out in a small range through the fine adjustment switch, the operation mode is visual and simple, and the setting error is not easy to cause.
(2) In setting the temperature rise rate:
the conventional controller generally needs to set a heating rate or a heating time, the common range of the heating rate is 0.3-2 ℃/h, the heating time is generally more than 4 hours, and part of baking personnel confuse two parameters of the heating rate and the heating time to cause setting errors.
The controller of the invention adopts a fixed value for the temperature rise rate of each stage, and cannot adjust, thereby simplifying the operation and avoiding setting errors. In addition, the temperature rising rate of the dry bulb temperature is different from that of the wet bulb temperature, and the humidity control is more stable. The existing controller only sets one temperature rise rate, and the temperature rise rates of the dry ball and the wet ball are the same.
(3) In terms of switching the baking stage:
the existing controllers need to set the running time of each phase and automatically switch to the next phase when the running time is over. Because the baking time of each stage is not easy to be accurately predicted in advance, baking personnel still need to often observe the state of the tobacco leaves on site, the stage operation time is adjusted at any time according to the state of the tobacco leaves, and the operation steps are complex.
The controller provided by the invention does not need to set the baking time of each stage, and is switched by the 'baking stage switching' switch, so that the controller is simple and visual. Although the switching time cannot be preset in advance, the deviation of several hours is allowed for the baking time of each stage in the tobacco baking process, so that the requirements of the baking process can be met only by observing the tobacco state once every several hours to the site by a baking person and switching the baking stage.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
Fig. 1 is a schematic structural diagram of a multi-gear temperature and humidity controller for tobacco leaf curing in the embodiment.
Fig. 2 is a functional block diagram of a controller motherboard in an embodiment.
Fig. 3 is a schematic structural diagram of a multi-gear temperature and humidity controller for tobacco leaf curing in another embodiment.
The scores in the figure represent:
the parameter display area 1, the dry bulb temperature 1-1, the wet bulb temperature 1-2, the target dry bulb temperature 1-3 and the target wet bulb temperature 1-4.
A parameter setting area 2, a baking stage temperature change-over switch 2-1, a target dry bulb temperature adjusting switch 2-2 and a target wet bulb temperature adjusting switch 2-3.
The system comprises a state display area 3, an upper shed control lamp 3-1, a lower shed control lamp 3-2, a circulating fan 3-3, an air blower 3-4, a cold air door 3-5, a temperature rise 3-6, a power supply phase failure 3-7, a fan failure 3-8, a temperature difference overrun 3-9, a kettle water shortage 3-10 and a sensor failure 3-11.
Detailed Description
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
Referring to fig. 1 and 2, the multi-gear temperature and humidity controller for tobacco leaf baking shown in the drawings comprises: the controller comprises a shell, an operation interface and a controller mainboard, wherein the operation interface is arranged on the outer surface of the shell, the controller mainboard is arranged in an inner cavity of the shell, and the controller mainboard is connected with the operation interface. Wherein:
the mobile communication module is connected to the controller mainboard and can send the curing barn operation data to the information management platform, and the baking personnel can check the operation information on the information management platform, and if the baking process breaks down, the mobile communication module sends the alarm information to the baking personnel.
Be connected with temperature sensor on the controller mainboard, because the inside high-power heating element that does not have of controller, the inside temperature of controller box under the normal condition is close with ambient temperature, consequently can handle as ambient temperature with the temperature that temperature sensor surveyed, and it includes two effects: (1) if the temperature exceeds the normal environment temperature range, the temperature inside the controller box body is abnormal, and fault alarm is carried out; (2) and optimizing heating control and dehumidifying control according to the ambient temperature. For example, if the difference between the ambient temperature and the temperature in the curing barn exceeds a certain value, the blower is synchronously turned on (heated) when the angle of the cold air door is increased, so that the heat loss caused by moisture removal is compensated.
The operation interface includes: a parameter display area 1, a parameter setting area 2, a state display area 3 and an operation instruction area 4; wherein:
for the parameter display 1 region, it includes: 4 parameters such as dry bulb temperature 1-1, wet bulb temperature 1-2, target dry bulb temperature 1-3, target wet bulb temperature 1-4, etc. As the baking personnel are more concerned about the actual parameter values, for the convenience of observation, the fonts for marking the dry bulb temperature 1-1 and the wet bulb temperature 1-2 are larger than the numerical fonts for marking the target dry bulb temperature 1-3 and the target wet bulb temperature 1-4.
The parameter setting area 2 comprises three gear switches, which are respectively: a temperature switch 2-1, a target dry bulb temperature adjusting switch 2-2 and a target wet bulb temperature adjusting switch 2-3 in the baking stage. As the baking stage change-over switch 2-1 is used most frequently, the size of the baking stage change-over switch 2-1 is larger than the size of the target dry bulb temperature adjustment and the target wet bulb temperature adjustment.
Specifically, the baking stage temperature switch 2-1 comprises 10 gears, namely a baking stopping stage and 9 baking stages, each baking stage corresponds to a group of target dry bulb temperature and target humidity, and baking personnel switch the baking stage temperature according to the situation of tobacco leaves observed on site. Wherein: the target dry bulb temperatures of the 9 baking stages are respectively as follows: 36 deg.C, 38 deg.C, 40 deg.C, 42 deg.C, 45 deg.C, 48 deg.C, 54 deg.C, 60 deg.C, 68 deg.C. The target wet bulb temperatures of the 9 baking stages are respectively as follows: 35 deg.C, 36 deg.C, 36.5 deg.C, 37 deg.C, 37.5 deg.C, 38 deg.C, 39 deg.C, 40 deg.C, 42 deg.C. In addition, the heating rate of each existing baking stage is fixed, and the heating rate of the target dry-wet-bulb temperature of the existing controller is the same and cannot be adjusted, but the invention treats the difference between the dry-bulb heating rate and the wet-bulb heating rate, wherein the dry-bulb heating rates of the 9 baking stages are respectively as follows: 1.5 ℃/h, 1.0 ℃/h, 0.4 ℃/h, 0.5 ℃/h, 0.8 ℃/h, 1.0 ℃/h; and the wet bulb heating rate of 9 baking stages is calculated according to the same time as the dry bulb heating time of the corresponding stage, so that when the wet bulb temperature difference and the dry bulb temperature difference of two adjacent stages are different, the heating rates of the two stages are different.
Further, the target dry bulb temperature adjusting switch 2-2 includes 5 gears, which respectively correspond to 5 adjusting amounts, where the adjusting amounts are: -2 ℃, -1 ℃, 0 ℃, +1 ℃, +2 ℃ to facilitate fine tuning based on the target dry bulb temperature determined by the temperature during the baking stage. The target wet bulb temperature adjusting switch 2-3 comprises 9 gears which respectively correspond to 9 fine adjustment amounts, fine adjustment is carried out on the basis of the target wet bulb temperature determined by 'baking stage switching' of the gear switch, the wet bulb temperature does not exceed the dry bulb temperature, and the adjustment amounts of the 9 gears are respectively: -2 ℃, -1.5 ℃, -1 ℃, -0.5 ℃, 0 ℃, +0.5 ℃, +1 ℃, +1.5 ℃, +2 ℃.
The status display area 3 includes: a plurality of status indicator lights, the status indicator lights comprising: 3-1 parts of upper shed control lamp, 3-2 parts of lower shed control lamp, 3-3 parts of circulating fan, 3-4 parts of air blower, 3-5 parts of temperature rise, 3-6 parts of power supply phase failure, 3-7 parts of fan failure, 3-8 parts of temperature difference overrun, 3-9 parts of kettle water shortage and 3-10 parts of sensor failure.
The operation instruction section 4 includes: operation description area: and listing operation instructions at a proper position on an operation interface, guiding a baking person to switch stages correctly, reasonably adjusting the target dry bulb temperature and the target wet bulb temperature, and if the space allows, adding the tobacco leaf pictures of each baking stage and carrying out illustration matching.
Further, the multi-gear temperature and humidity controller for tobacco leaf baking further comprises the following components:
p1: the power interface, the input power is AC220V, and is converted into DC12V, DC4.2V, DC3.3V respectively through the power circuit, for each part circuit power supply.
P2: the cold air door interface, cold air door are by 12V direct current motor drive, utilize two relays control motor just reversing to the switch angle of control cold air door.
P3: the blower/burner control switch controls the operation and stop of the blower by a relay, and controls the heating of the curing barn by controlling the operation of the blower/burner.
P4: debugging an interface: for debugging the controller.
P5: a horn: the horn for alarming and voice prompting is arranged on the lower side surface of the controller and is positioned the same as the conventional controller.
P6: and (3) inquiring an interface: a dry, wet bulb temperature that is used for canopy temperature to show about the short time switches, for example when going up canopy control, parameter display shows that the dry of canopy, wet bulb temperature, presses this button, then can show the dry of canopy, wet bulb temperature down in the short time, and the dry of canopy, wet bulb temperature are gone up in automatic recovery display after a few seconds.
P7: dry and wet bulb thermometer: comprises 4 temperature sensors, namely an upper shed dry bulb temperature, an upper shed wet bulb temperature, a lower shed dry bulb temperature and a lower shed wet bulb temperature.
P8: the communication interface is connected with the nixie tube display screen and the multifunctional electric meter, the nixie tube display screen is used for displaying 6 temperature values, and the multifunctional electric meter is used for judging whether a power supply is in phase failure or unbalanced and reading the current of the circulating fan.
P9: the upper shed and the lower shed change-over switch are used for selecting an air flow ascending type or air flow descending type baking room, and are placed in the controller and not on an operation interface in order to prevent misoperation because the upper shed and the lower shed change-over switch are only required to be set once when the controller is installed.
P10: the fan rotating speed change-over switch is used for changing over the rotating speed of the circulating fan between a high speed and a low speed, adjusting the air flow speed in the curing barn, and is arranged on the side surface of the controller, and the position of the air flow speed change-over switch is the same as that of the conventional controller.
In another embodiment, referring to fig. 3, the parameter setting area 2 does not include the target dry bulb temperature adjustment switch 2-2, i.e. the target dry bulb temperature adjustment function is cancelled, because the differences of the curing processes of different tobacco qualities are mainly reflected on the target wet bulb temperature, and the differences of the target dry bulb temperatures are smaller, so that the target dry bulb temperature fine adjustment switch is cancelled in order to simplify the parameter setting.
The baking process comprises the following steps, and the tobacco leaf state at the end of the stage at each target dry-wet bulb temperature is shown in table 1:
(1) switching on a power supply of a controller, switching a circulating fan to a corresponding rotating speed by using a fan rotating speed switching switch, checking whether the upper shed switching switch and the lower shed switching switch are correctly set, and displaying each parameter and the running state of equipment in real time in a temperature display area and a state display area;
(2) setting baking parameters in a parameter adjusting area according to the state of the tobacco leaves and starting baking, wherein the baking step comprises selecting a baking stage and adjusting the target dry bulb temperature and the target wet bulb temperature;
(3) observing the tobacco leaf state in due time, switching the baking stage according to the tobacco leaf state, adjusting the target dry bulb temperature and the target wet bulb temperature, switching the proper rotating speed of the circulating fan, and repeating the steps until the tobacco leaf is baked;
(4) the gear switch is switched from the baking stage to the stop gear, and the circulating fan is switched to the low-speed operation;
(5) and timely disconnecting the power supply of the controller according to the moisture regain condition of the tobacco leaves.
TABLE 1
| Phases | Target Dry and Wet bulb temperature (. degree.C.) | Yellow and dry at the end of the |
| 1 | 36，35 | 6 yellow and swollen and hard |
| 2 | 38，36 | Most of tobacco leaves 8 become yellow and soft |
| 3 | 40，36.5 | 9-10 yellow and withered |
| 4 | 42，37 | Approximately 10 yellow and complete wilting |
| 5 | 45，37.5 | 10 yellow, hooked sharp and curled |
| 6 | 48，38 | Small reel with yellow and white ribs and half-dry leaves |
| 7 | 54，39 | Big reel with yellow and white ribs and full-dry leaves |
| 8 | 60，40 | Huang pian with purple tendon and half-dry pulse |
| 9 | 68，42 | Huang pian Zi jin and Zhu Mai quan |
Finally, it should be understood that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.
Claims (10)
1. The utility model provides a many gears atmospheric control ware for tobacco flue-curing which characterized in that includes:
the controller comprises a shell, an operation interface and a controller main board, wherein the operation interface is arranged on the outer surface of the shell, the controller main board is arranged in an inner cavity of the shell, and the controller main board is connected with the operation interface; wherein:
the controller mainboard is connected with a mobile communication module and a temperature sensor, the mobile communication module can send the curing barn operation data to the information management platform, and if the curing process fails, the mobile communication module sends alarm information to curing personnel;
the operation interface comprises a parameter display area, a parameter setting area, a state display area and an operation description area;
the parameter display area comprises a dry bulb temperature, a wet bulb temperature, a target dry bulb temperature and a target wet bulb temperature;
the parameter setting area comprises three gear switches which are respectively: a temperature change-over switch, a target dry-bulb temperature adjusting switch and a target wet-bulb temperature adjusting switch in the baking stage;
the status display area includes: a plurality of status indicator lights;
the operation instruction area includes: and guiding baking personnel to correctly switch stages and reasonably adjusting the target dry bulb temperature and the target wet bulb temperature.
2. The multi-gear temperature and humidity controller for tobacco flue-curing according to claim 1, wherein a font indicating the dry bulb temperature and the wet bulb temperature is larger than a font indicating a target dry bulb temperature and a target wet bulb temperature value;
or the size of the baking stage change-over switch is larger than the size of the target dry bulb temperature adjustment and the target wet bulb temperature adjustment.
3. The multi-gear temperature and humidity controller for tobacco flue-curing according to claim 1, wherein the status indicator light comprises: the system comprises an upper shed control lamp, a lower shed control lamp, a circulating fan, an air blower, a cold air door, a temperature rise, a power supply phase failure, a fan failure, a temperature difference overrun, a kettle water shortage and a sensor failure.
4. The multi-gear temperature and humidity controller for tobacco flue-curing according to claim 1, wherein the operation instruction area further comprises tobacco pictures of each curing stage.
5. The multi-gear temperature and humidity controller for tobacco leaf baking according to claim 1, wherein the baking stage temperature switch includes 10 gears, namely a baking stop stage and 9 baking stages, and each baking stage corresponds to a set of target dry bulb temperature and target humidity; preferably, the target dry-bulb temperatures of the 9 baking stages are respectively: 36 deg.C, 38 deg.C, 40 deg.C, 42 deg.C, 45 deg.C, 48 deg.C, 54 deg.C, 60 deg.C, 68 deg.C; the target wet bulb temperatures of the 9 baking stages are respectively as follows: 35 deg.C, 36 deg.C, 36.5 deg.C, 37 deg.C, 37.5 deg.C, 38 deg.C, 39 deg.C, 40 deg.C, 42 deg.C.
6. The multi-gear temperature and humidity controller for tobacco leaf curing according to claim 5, wherein the dry-bulb heating rates of the 9 curing stages are respectively as follows: 1.5 ℃/h, 1.0 ℃/h, 0.4 ℃/h, 0.5 ℃/h, 0.8 ℃/h, 1.0 ℃/h; the wet bulb heating rate of the 9 baking stages was calculated as the same as the dry bulb heating time of the corresponding stage.
7. The multi-gear temperature and humidity controller for tobacco flue-curing according to claim 1, wherein the target dry bulb temperature adjusting switch includes 5 gears corresponding to 5 adjustment amounts, respectively: -2 ℃, 1 ℃, 0 ℃, 1 ℃ and 2 ℃.
8. The multi-gear temperature and humidity controller for tobacco flue-curing according to claim 1, wherein the target wet bulb temperature adjustment switch includes 9 gears corresponding to 9 trimming amounts, respectively, and the adjusting amounts of the 9 gears are respectively: -2 ℃, -1.5 ℃, -1 ℃, -0.5 ℃, 0 ℃, +0.5 ℃, +1 ℃, +1.5 ℃, +2 ℃.
9. The multi-gear temperature and humidity controller for tobacco flue-curing according to claim 1, further comprising the following components: the system comprises a power supply interface, a cold air door interface, a blower/burner control switch, a debugging interface, a loudspeaker, an inquiry interface, a control mode selection switch, a wet and dry bulb thermometer, a communication interface, an upper shed and lower shed change-over switch and a fan rotating speed change-over switch;
preferably, the dry-wet bulb thermometer comprises 4 temperature sensors, namely an upper shed dry bulb temperature, an upper shed wet bulb temperature, a lower shed dry bulb temperature and a lower shed wet bulb temperature.
10. The multi-stage temperature and humidity controller for tobacco flue-curing according to any one of claims 1 to 9, wherein the parameter setting section does not include a target dry bulb temperature adjustment switch.
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| CN113071239A (en) * | 2021-04-12 | 2021-07-06 | 东莞智动力电子科技有限公司 | Curing process of mirror ink |
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